Tank



FIG. 1 is a perspective view, looking from the top, of a tank showing our new design;

FIG. 2 is a first side elevational view thereof, the opposite side elevational view being identical thereto;

FIG. 3 is a top plan view thereof, the bottom plan view being identical thereto;

FIG. 4 is a first-end elevational view thereof, the opposite end elevational view being identical thereto;

FIG. 5 is a perspective view, looking from the bottom, of an alternative version of the embodiment of the design shown in FIGS. 1-4, the only difference being in the bottom view as shown.

FIG. 6 is a perspective view, looking from the top, of another embodiment of the design;

FIG. 7 is a first side elevational view of the embodiment shown in FIG. 6, the opposite side elevational view being identical thereto;

FIG. 8 is a first end elevational view of the embodiment shown in FIG. 6, the opposite end elevational view being identical thereto; the top plan view and the bottom plan view of the embodiment shown in FIG. 6 are identical to the top plan view and bottom plan view of the embodiment shown in FIG. 1; and,

FIG. 9 is a perspective view, looking from the bottom, of an alternative version of the embodiment of the design shown in FIGS. 6-9, the only difference being in the bottom view as shown. 

The ornamental design for a tank, as shown and described. 